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Date:   Sat,  1 Aug 2020 19:52:20 +0300
From:   Ivan Safonov <insafonov@...il.com>
To:     Larry Finger <Larry.Finger@...inger.net>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        B K Karthik <bkkarthik@...u.pes.edu>,
        Michael Straube <straube.linux@...il.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Ivan Safonov <insafonov@...il.com>
Subject: [PATCH v2] staging: r8188eu: replace rtw_netdev_priv define with inline function

The function guarantees type checking of arguments and return value.

Result of rtw_netdev_priv macro can be assigned to pointer
with incompatible type without warning. The function allow compiler
to perform this check.

Signed-off-by: Ivan Safonov <insafonov@...il.com>
---
Changes in v2:
  - add blank line after function definition;
  - improve commit message.
---
 drivers/staging/rtl8188eu/include/osdep_service.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8188eu/include/osdep_service.h b/drivers/staging/rtl8188eu/include/osdep_service.h
index 31d897f1d21f..6ca79b5fb638 100644
--- a/drivers/staging/rtl8188eu/include/osdep_service.h
+++ b/drivers/staging/rtl8188eu/include/osdep_service.h
@@ -71,8 +71,11 @@ struct rtw_netdev_priv_indicator {
 };
 struct net_device *rtw_alloc_etherdev_with_old_priv(void *old_priv);
 
-#define rtw_netdev_priv(netdev)					\
-	(((struct rtw_netdev_priv_indicator *)netdev_priv(netdev))->priv)
+static inline struct adapter *rtw_netdev_priv(struct net_device *dev)
+{
+	return (((struct rtw_netdev_priv_indicator *)netdev_priv(dev))->priv);
+}
+
 void rtw_free_netdev(struct net_device *netdev);
 
 #define FUNC_NDEV_FMT "%s(%s)"
-- 
2.26.2

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